AutoCodes – Dodge – B1858 Dodge

B1858 Dodge Code - Driver Window Position Sensor Power Supply Low

Quick Answer

The Driver Door Module (DDM) monitors the Driver Window Position Sensor. Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1858 Dodge indicates Driver Window Position Sensor Power Supply Low.
Common causes: Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 650

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1858 Dodge Description

The Driver Door Module (DDM) monitors the Driver Window Position Sensor. When the Driver Window Hall Sensor Supply circuit falls below 2.0 volts of battery voltage for over 200ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1858 Dodge - Driver Window Position Sensor Power Supply Low - AutoCodes.com — B1858 Dodge Code - Driver Window Position Sensor Power Supply Low

What does this mean?

What are the Possible Causes of the DTC B1858 Dodge?

Faulty Driver Window Motor
Driver Window Motor harness is open or shorted
Driver Window Motor circuit poor electrical connection
Faulty Driver Door Module (DDM)

How to Fix the DTC B1858 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1858 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1858 Dodge Code

1. What are common symptoms of OBDII code B1858 in a Dodge related to the Driver Window Position Sensor Power Supply Low?

- Common symptoms include the driver window not functioning properly, stopping halfway, or not responding to commands.

2. What are the possible causes of OBDII code B1858 in a Dodge indicating the Driver Window Position Sensor Power Supply Low?

- Possible causes include a faulty driver window position sensor, wiring issues, or a malfunction in the power supply to the sensor.

3. How can I diagnose the OBDII code B1858 in a Dodge associated with the Driver Window Position Sensor Power Supply Low?

- Diagnosis involves inspecting the driver window position sensor, checking the wiring for any damage, and testing the power supply to the sensor for proper voltage.

4. Is it safe to continue driving with the OBDII code B1858 in a Dodge related to the Driver Window Position Sensor Power Supply Low?

- It is not recommended to continue driving with this issue as it may lead to further window malfunctions or safety concerns.

5. Can I repair the OBDII code B1858 in a Dodge related to the Driver Window Position Sensor Power Supply Low myself?

- Depending on your skill level, you may be able to repair this issue yourself by replacing the driver window position sensor or addressing any wiring issues.

6. Are there any quick fixes or temporary solutions for the OBDII code B1858 in a Dodge indicating the Driver Window Position Sensor Power Supply Low?

- Quick fixes may include resetting the window system by disconnecting the battery for a few minutes, but a permanent solution would involve properly diagnosing and repairing the root cause.

7. How much can I expect to pay to fix the OBDII code B1858 in a Dodge related to the Driver Window Position Sensor Power Supply Low?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Will resetting the OBDII code B1858 in a Dodge associated with the Driver Window Position Sensor Power Supply Low make it go away permanently?

- Resetting the code may temporarily clear the warning, but if the underlying issue is not addressed, the code is likely to reappear.

9. Can extreme weather conditions affect the occurrence of OBDII code B1858 in a Dodge related to the Driver Window Position Sensor Power Supply Low?

- Extreme temperatures or moisture can potentially exacerbate issues with the driver window position sensor or its power supply, leading to the code being triggered.

10. Is the OBDII code B1858 specific to Dodge vehicles, or can it occur in other car makes and models?

- While the specific code B1858 may be unique to Dodge vehicles, similar issues related to the driver window position sensor power supply low can occur in other car makes and models as well.